Is there going to be watchlists or importation of external data?

[antiseptic]

I'm wondering if there are plans to implement a watchlist system?

Also, I would like to import my own data.  Is this at all possible?

[Sergey Golubev]

Custom symbols and custom datafeeds in Metatrader 5
https://www.mql5.com/en/forum/9950/page99#comment_4845101 

[Sergey Golubev]

Forum on trading, automated trading systems and testing trading strategies

Something Interesting

Sergey Golubev, 2017.09.21 14:22

The other new and interesting article - 

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Creating and testing custom symbols in MetaTrader 5

Custom symbols in MetaTrader 5 offer new opportunities for developing trading systems and analyzing any financial markets. Now traders are able to plot charts and test trading strategies on an unlimited number of financial instruments. To do this, they only need to create their custom symbol based on a tick or minute history. Custom symbols can be used to test any trading robot from the Market or the free source code library.

Apart from your own agents, you are able to use agents from a local network and remote agents to optimize trading strategies on custom symbols. This is yet another advantage of the MetaTrader 5 strategy tester allowing you to shorten the time spent searching for optimal parameters of your trading system.

[antiseptic]

Awesome thanks!